Click Banner for Details on this Classified

Date: Mon, 13 Sep 1999 02:40:04 GMT
From: David M. Arnold <>
Subject: Re: Gas Mileage - WHY REDUCED...

Could be a number of things: O2 sensor, computer, cold start valve, injector(s). O2 sensor is a good place to start. Often, the O2 circuitry would lock the mixture rich as a failsafe in the event of sensor failure. Running too rich won't kill an engine, while running too lean can. In article <37DC545E.A9277E17nopsamnet>, timbnopsamnet wrote: > I have a Saab 9000 Turbo - 87 - great shape, high miles... Stick - if > that matters. My gas mileage used to hang somewhere between 24mpg and > 30mpg. Now I am getting 18 or 19. Also leaving sooty residue in > exhaust - > > I am assuming it is running "rich", but what could be causing this... > What should I try! > > Oxygen Sensor? > > Sent via Share what you know. Learn what you don't.

Return to Main Index

The content on this site may not be republished without permission. Copyright © 1988-2020 - The Saab Network -
For usage guidelines, see the Mission and Purpose Page.
[Contact | Site Map | on Facebook | on Twitter | Shop Amazon via TSN | Site Donations]